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Those are generally rated for 150 psi, although I have used them at up to 450, with no failures. They have been used in hybrid tests with up to 11x mixes. They are essentially the same as you find in normal hardware stores, so there isn't really much point in ordering them.

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Spudfiles' resident expert on all things that sail through the air at improbable speeds, trailing an incandescent wake of ionized air, dissociated polymers and metal oxides.

DYI wrote:Those are generally rated for 150 psi, although I have used them at up to 450, with no failures. They have been used in hybrid tests with up to 11x mixes. They are essentially the same as you find in normal hardware stores, so there isn't really much point in ordering them.

DYI wrote:You can't get iron/steel pipe + fittings in the UK? What do they use for gas systems? Copper?

No, they really do normally use copper. All the gas plumbing in my house is copper.

Those fittings are actually regulated under BS 143, but it's hard to find out what exactly what that can actually mean, because there are no online records of the standard.
However, there may be a record of the standard in my university library - I can't get to it until tomorrow though, so I can't tell you just yet.

As long as they're steel yes. But the weld will be poor because they are forged, iron, and really not made to be welded. If they were welded, the TIG process would be the best I think because it will be easier to do and better in my opinion.

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